"The intricately plotted progress of characters from near to farfuture... on an Earth which, like an abandon playground, has long ago been left behind by an evolving humanity... human-scale action within a vast canvas."<br/>-- The Excyclopedia of Science Fiction.<br/><br/>Encompassing time-travel, powerful mystery and the future history of humanity to its last handful of survivors, Across Realtime spans millions of years and is an utterly engrossing SF classic.<br/><br/>"You can hardly turn the pages fast enough. As sheer entertainment, it's a winner"<br/>-- Locus